參數(shù)資料
型號: HS4339ESF01H
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer with large-capacity memory
中文描述: 4位HMCS400系列的大容量存儲器微機
文件頁數(shù): 72/78頁
文件大小: 337K
代理商: HS4339ESF01H
HD404339 Series
72
AC Characteristics (V
CC
= 4.0 to 5.5 V, GND = 0 V, V
disp
= V
CC
– 40 V to V
CC
, T
a
= –20 to +75
°
C)
Item
Symbol Pins
Min
Typ
Max
Unit
Test Condition
Note
Clock oscillation frequency
f
OSC
OSC
1
,
OSC
2
0.4
4
4.5
MHz
System clock
divided by 4
1
X1, X2
32.768
kHz
Instruction cycle time
t
cyc
t
subcyc
0.89
1
10
μ
s
μ
s
1
244.14
32-kHz oscillator,
1/8 system clock
division ratio
122.07
μ
s
32-kHz oscillator,
1/4 system clock
division ratio
Oscillation stabilization time
(ceramic oscillator)
t
RC
OSC
1
,
OSC
2
OSC
1
,
OSC
2
X1, X2
7.5
ms
2
Oscillation stabilization time
(crystal oscillator)
t
RC
40
ms
2
2
s
2
External clock high width
t
CPH
t
CPL
t
CPr
t
CPf
t
IH
OSC
1
OSC
1
OSC
1
OSC
1
INT
0
,
INT
1
,
EVNB
INT
0
,
INT
1
,
EVNB
RESET
STOPC
RESET
STOPC
92
ns
3
External clock low width
92
ns
3
External clock rise time
20
ns
3
External clock fall time
INT
,
INT
1
, EVNB high
widths
20
ns
3
2
t
cyc
/
t
subcyc
t
cyc
/
t
subcyc
t
cyc
t
RC
ms
4
INT
0
,
INT
1
, EVNB low widths t
IL
2
4
RESET
low width
STOPC
low width
RESET
rise time
STOPC
rise time
t
RSTL
t
STPL
t
RSTr
t
STPr
C
in
2
5
1
6
20
5
20
ms
6
Input capacitance
All input
pins except
TEST
30
pF
f = 1 MHz,
V
in
= 0 V
TEST
30
pF
f = 1 MHz,
V
in
= 0 V
7
180
pF
8
Notes: 1. When using the subsystem oscillator (32.768 kHz), one of the following relationships for f
OSC
must be applied.
0.4 MHz
f
OSC
1.0 MHz or 1.6 MHz
f
OSC
4.5 MHz
The operating range for f
OSC
can be set with bit 1 of system selection register 1 (SSR1: $027).
2. The oscillation stabilization time is the period required for the oscillator to stabilize in the
following situations:
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